sambuc/codezero
1
0
Fork 0
mirror of https://github.com/drasko/codezero.git synced 2026-01-12 02:43:15 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge branch 'master' into devel

Browse Source
This commit is contained in:
Bahadir Balban
2009-11-04 17:19:18 +02:00
parent 69ac6d67f0 aeef546544
commit 516efccd99
16 changed files with 83 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
conts/libl4/include/l4lib/arch-arm/syscalls.h
View File

@@ -16,9 +16,10 @@
#include <l4/api/thread.h>
struct task_ids {
int tid;
int spid;
int tgid;
l4id_t tid;
l4id_t spid;
l4id_t tgid;
l4id_t cid;
};
static inline void *

2
conts/libl4/include/l4lib/arch-arm/types.h
View File

@@ -1,7 +1,7 @@
#ifndef __L4LIB_ARM_TYPES_H___
#define __L4LIB_ARM_TYPES_H__
#define TASK_ID_INVALID -1
#define TASK_ID_INVALID 0xFFFFFFFF
#include <l4/arch/arm/types.h>

6
conts/posix/mm0/mm/init.c
View File

@@ -226,13 +226,11 @@ int read_pager_capabilities()
/* Set up pointers to important capabilities */
list_foreach_struct(cap, &capability_list.caps, list) {
/* Physical memory bank */
if ((cap->type & CAP_RTYPE_MASK)
== CAP_RTYPE_PHYSMEM)
if (cap_type(cap) == CAP_TYPE_MAP_PHYSMEM)
cont_mem_regions.physmem = cap;
/* Virtual regions */
if ((cap->type & CAP_RTYPE_MASK)
== CAP_RTYPE_VIRTMEM) {
if (cap_type(cap) == CAP_TYPE_MAP_VIRTMEM) {
/* Pager address region (get from linker-defined) */
if (__pfn_to_addr(cap->start)

2
conts/posix/test0/main.c
View File

@@ -26,7 +26,7 @@ void wait_pager(l4id_t partner)
}
pid_t parent_of_all;
pid_t pagerid;
l4id_t pagerid;
int main(int argc, char *argv[])
{

2
conts/posix/test0/src/test_exec/test_exec.c
View File

@@ -24,7 +24,7 @@ void wait_pager(l4id_t partner)
// printf("Pager synced with us.\n");
}
pid_t pagerid;
l4id_t pagerid;
int main(int argc, char *argv[])
{

6
conts/test/main.c
View File

@@ -66,12 +66,12 @@ int main(void)
printf("%s: Container %s started\n",
__CONTAINER__, __CONTAINER_NAME__);
//capability_test();
capability_test();
exit_test();
//exit_test();
/* Now quit to demo self-paging quit */
l4_exit(0);
//l4_exit(0);
/* Now quit by null pointer */
// *((int *)0) = 5;

14
conts/test/src/capability.c
View File

@@ -89,9 +89,13 @@ void cap_print(struct capability *cap)
case CAP_TYPE_EXREGS:
printf("Capability type:\t\t%s\n", "Exchange Registers");
break;
case CAP_TYPE_MAP:
printf("Capability type:\t\t%s\n", "Map");
case CAP_TYPE_MAP_PHYSMEM:
printf("Capability type:\t\t%s\n", "Map/Physmem");
break;
case CAP_TYPE_MAP_VIRTMEM:
printf("Capability type:\t\t%s\n", "Map/Virtmem");
break;
case CAP_TYPE_IPC:
printf("Capability type:\t\t%s\n", "Ipc");
break;
@@ -119,12 +123,6 @@ void cap_print(struct capability *cap)
case CAP_RTYPE_CONTAINER:
printf("Capability resource type:\t%s\n", "Container");
break;
case CAP_RTYPE_VIRTMEM:
printf("Capability resource type:\t%s\n", "Virtual Memory");
break;
case CAP_RTYPE_PHYSMEM:
printf("Capability resource type:\t%s\n", "Physical Memory");
break;
case CAP_RTYPE_THREADPOOL:
printf("Capability resource type:\t%s\n", "Thread Pool");
break;

4
include/l4/api/ipc.h
View File

@@ -2,8 +2,8 @@
#define __IPC_H__
#define L4_NILTHREAD -1
#define L4_ANYTHREAD -2
#define L4_NILTHREAD 0xFFFFFFFF
#define L4_ANYTHREAD 0xFFFFFFFE
#define L4_IPC_TAG_MR_OFFSET 0

2
include/l4/arch/arm/types.h
View File

@@ -12,7 +12,7 @@ typedef signed short s16;
typedef signed char s8;
/* Thread/Space id type */
typedef int l4id_t;
typedef unsigned int l4id_t;
#endif /* !__ASSEMBLY__ */
#endif /* !__ARCH_TYPES_H__ */

27
include/l4/generic/cap-types.h
View File

@@ -12,12 +12,13 @@
#define CAP_TYPE_MASK 0x0000FFFF
#define CAP_TYPE_TCTRL (1 << 0)
#define CAP_TYPE_EXREGS (1 << 1)
#define CAP_TYPE_MAP (1 << 2)
#define CAP_TYPE_IPC (1 << 3)
#define CAP_TYPE_SCHED (1 << 4)
#define CAP_TYPE_UMUTEX (1 << 5)
#define CAP_TYPE_QUANTITY (1 << 6)
#define CAP_TYPE_CAP (1 << 7)
#define CAP_TYPE_MAP_PHYSMEM (1 << 2)
#define CAP_TYPE_MAP_VIRTMEM (1 << 3)
#define CAP_TYPE_IPC (1 << 4)
#define CAP_TYPE_SCHED (1 << 5)
#define CAP_TYPE_UMUTEX (1 << 6)
#define CAP_TYPE_QUANTITY (1 << 7)
#define CAP_TYPE_CAP (1 << 8)
#define cap_type(c) ((c)->type & CAP_TYPE_MASK)
/*
@@ -29,14 +30,12 @@
#define CAP_RTYPE_SPACE (1 << 18)
#define CAP_RTYPE_CONTAINER (1 << 19)
#define CAP_RTYPE_PGGROUP (1 << 20) /* Group of paged threads */
#define CAP_RTYPE_VIRTMEM (1 << 21)
#define CAP_RTYPE_PHYSMEM (1 << 22)
#define CAP_RTYPE_CPUPOOL (1 << 23)
#define CAP_RTYPE_THREADPOOL (1 << 24)
#define CAP_RTYPE_SPACEPOOL (1 << 25)
#define CAP_RTYPE_MUTEXPOOL (1 << 26)
#define CAP_RTYPE_MAPPOOL (1 << 27) /* For pmd spending */
#define CAP_RTYPE_CAPPOOL (1 << 28) /* For new cap generation */
#define CAP_RTYPE_CPUPOOL (1 << 21)
#define CAP_RTYPE_THREADPOOL (1 << 22)
#define CAP_RTYPE_SPACEPOOL (1 << 23)
#define CAP_RTYPE_MUTEXPOOL (1 << 24)
#define CAP_RTYPE_MAPPOOL (1 << 25) /* For pmd spending */
#define CAP_RTYPE_CAPPOOL (1 << 26) /* For new cap generation */
#define cap_rtype(c) ((c)->type & CAP_RTYPE_MASK)

12
include/l4/generic/tcb.h
View File

@@ -39,11 +39,21 @@ enum task_state {
TASK_DEAD = 3,
};
#define TASK_ID_INVALID -1
#define TASK_CID_MASK 0xFF000000
#define TASK_ID_MASK 0x00FFFFFF
static inline int task_id_special(l4id_t id)
{
/* Special ids have top 2 nibbles all set */
return (id & TASK_CID_MASK) == TASK_CID_MASK;
}
#define TASK_ID_INVALID 0xFFFFFFFF
struct task_ids {
l4id_t tid;
l4id_t spid;
l4id_t tgid;
l4id_t cid;
};
struct container;

4
scripts/kernel/generate_kernel_cinfo.py
View File

@@ -76,7 +76,7 @@ pager_end = \
cap_virtmem = \
'''
\t\t\t[%(capidx)d] = {
\t\t\t\t.type = CAP_TYPE_MAP | CAP_RTYPE_VIRTMEM,
\t\t\t\t.type = CAP_TYPE_MAP_VIRTMEM | CAP_RTYPE_CONTAINER,
\t\t\t\t.access = CAP_MAP_READ | CAP_MAP_WRITE | CAP_MAP_EXEC
\t\t\t\t\t| CAP_MAP_CACHED | CAP_MAP_UNCACHED | CAP_MAP_UNMAP | CAP_MAP_UTCB,
\t\t\t\t.start = __pfn(CONFIG_CONT%(cn)d_VIRT%(vn)d_START),
@@ -88,7 +88,7 @@ cap_virtmem = \
cap_physmem = \
'''
\t\t\t[%(capidx)d] = {
\t\t\t\t.type = CAP_TYPE_MAP | CAP_RTYPE_PHYSMEM,
\t\t\t\t.type = CAP_TYPE_MAP_PHYSMEM | CAP_RTYPE_CONTAINER,
\t\t\t\t.access = CAP_MAP_READ | CAP_MAP_WRITE | CAP_MAP_EXEC |
\t\t\t\t\tCAP_MAP_CACHED | CAP_MAP_UNCACHED | CAP_MAP_UNMAP | CAP_MAP_UTCB,
\t\t\t\t.start = __pfn(CONFIG_CONT%(cn)d_PHYS%(pn)d_START),

7
src/api/ipc.c
View File

@@ -539,11 +539,14 @@ int sys_ipc(l4id_t to, l4id_t from, unsigned int flags)
int ret = 0;
/* Check arguments */
if (from < L4_ANYTHREAD) {
if (task_id_special(from) &&
from != L4_ANYTHREAD && from != L4_NILTHREAD) {
ret = -EINVAL;
goto error;
}
if (to < L4_ANYTHREAD) {
if (task_id_special(to) &&
to != L4_ANYTHREAD && to != L4_NILTHREAD) {
ret = -EINVAL;
goto error;
}

1
src/api/syscall.c
View File

@@ -48,6 +48,7 @@ int sys_getid(struct task_ids *ids)
ids->tid = this->tid;
ids->spid = this->space->spid;
ids->tgid = this->tgid;
ids->cid = this->container->cid;
return 0;
}

43
src/generic/capability.c
View File

@@ -497,7 +497,6 @@ struct sys_map_args {
unsigned long virt;
unsigned long npages;
unsigned int flags;
unsigned int rtype;
};
/*
@@ -507,11 +506,12 @@ struct capability *cap_match_mem(struct capability *cap,
void *args_ptr)
{
struct sys_map_args *args = args_ptr;
struct ktcb *target = args->task;
unsigned long pfn;
unsigned int perms;
/* Set base according to what type of mem type we're matching */
if (args->rtype == CAP_RTYPE_PHYSMEM)
if (cap_type(cap) == CAP_TYPE_MAP_PHYSMEM)
pfn = __pfn(args->phys);
else
pfn = __pfn(args->virt);
@@ -542,21 +542,28 @@ struct capability *cap_match_mem(struct capability *cap,
return 0;
}
return cap;
/*
* FIXME:
*
* Does it make sense to have a meaningful resid field
* in a memory resource? E.g. Which resources may I map it to?
* It might, as I can map an arbitrary mapping to an arbitrary
* thread in my container and break it's memory integrity.
*
* It seems it would be reasonable for a pager to have memory
* capabilities with a resid of its own id, and rtype of
* CAP_RTYPE_CONTAINER, effectively allowing it to do map
* operations on itself and its group of paged children.
* We have a target thread, check if capability match
* any resource fields in target
*/
switch (cap_rtype(cap)) {
case CAP_RTYPE_THREAD:
if (target->tid != cap->resid)
return 0;
break;
case CAP_RTYPE_SPACE:
if (target->space->spid != cap->resid)
return 0;
break;
case CAP_RTYPE_CONTAINER:
if (target->container->cid != cap->resid)
return 0;
break;
default:
BUG(); /* Unknown cap type is a bug */
}
return cap;
}
#if defined(CONFIG_CAPABILITIES)
@@ -601,14 +608,12 @@ int cap_map_check(struct ktcb *target, unsigned long phys, unsigned long virt,
.flags = flags,
};
args.rtype = CAP_RTYPE_PHYSMEM;
if (!(physmem = cap_find(current, cap_match_mem,
&args, CAP_TYPE_MAP)))
&args, CAP_TYPE_MAP_PHYSMEM)))
return -ENOCAP;
args.rtype = CAP_RTYPE_VIRTMEM;
if (!(virtmem = cap_find(current, cap_match_mem,
&args, CAP_TYPE_MAP)))
&args, CAP_TYPE_MAP_VIRTMEM)))
return -ENOCAP;
return 0;

10
src/generic/resource.c
View File

@@ -746,7 +746,7 @@ int process_cap_info(struct cap_info *cap,
{
int ret = 0;
switch (cap->type & CAP_RTYPE_MASK) {
switch (cap_rtype(cap)) {
case CAP_RTYPE_THREADPOOL:
bootres->nthreads += cap->size;
break;
@@ -768,8 +768,10 @@ int process_cap_info(struct cap_info *cap,
/* Specifies how many new caps can be created */
bootres->ncaps += cap->size;
break;
}
case CAP_RTYPE_VIRTMEM:
switch (cap_type(cap)) {
case CAP_TYPE_MAP_VIRTMEM:
if ((ret = memcap_unmap(&kres->virtmem_free,
cap->start, cap->end))) {
if (ret < 0)
@@ -787,7 +789,7 @@ int process_cap_info(struct cap_info *cap,
}
break;
case CAP_RTYPE_PHYSMEM:
case CAP_TYPE_MAP_PHYSMEM:
if ((ret = memcap_unmap(&kres->physmem_free,
cap->start, cap->end))) {
if (ret < 0)
@@ -804,8 +806,8 @@ int process_cap_info(struct cap_info *cap,
BUG();
}
break;
}
}
return ret;
}